Home / 3,162.26-4,364.78-1,836.38

Finding the Fourth Proportional to 3,162.26, 4,364.78 and 1,836.38

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Solution

The fourth proportional to 3,162.26, 4,364.78 and 1,836.38 is: 2,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.26 : 4,364.78 = 1,836.38 : x
  2. Step 2: Convert to fraction form
    3,162.26/4,364.78 = 1,836.38/x
  3. Step 3: Cross multiply
    3,162.26x = 4,364.78 × 1,836.38
  4. Step 4: Simplify right side
    3,162.26x = 8,015,363.69
  5. Step 5: Solve for x
    x = 8,015,363.69/3,162.26
  6. Step 6: Final answer
    x = 2,534.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.